# SmartFilter for SMS vs Echo Platform

The clearest difference is in-app purchases: Echo Platform at none against SmartFilter for SMS's 4. Echo Platform also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. SmartFilter for SMS sells 4 in-app purchases, starting at $1.49 per month. Echo Platform asks for nothing beyond the download.

SmartFilter for SMS ships an update every 2 months, Echo Platform monthly. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SmartFilter for SMS | Echo Platform |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (169 ratings)](https://appshunter.io/ios/app/smartfilter-for-sms/id1271258894/reviews)** | — |
| Number of ratings | **169** | — |
| Positive reviews | 75.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 29 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Grant](https://appshunter.io/developer/1271258893) | [SIPA S.p.A Società di Industrializzazione Progettazione e Automazione](https://appshunter.io/developer/1604761686) |

## What reviewers say

### SmartFilter for SMS

[App page](https://appshunter.io/ios/app/smartfilter-for-sms/id1271258894)

This app intelligently filters unwanted SMS messages using machine learning. It offers extensive customization options to tailor filtering rules and ensures user privacy by analyzing messages directly on the device.

**Highlights:** Machine learning spam detection, Customizable filtering options, Filter unknown sender messages, Filter messages with URLs, Filter messages from email addresses, On-device message analysis

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.49 | per month |
| Yearly | $8.99 | per year |
| Leave a Tip! | $4.99 | one-time |
| One time | $19.99 | one-time |

**What reviewers like**

- 👍 Filters spam effectively
- 👍 Stops unwanted texts
- 👍 Life-improving quiet
- 👍 Set it and forget it
- 👍 Filters by keywords

**What reviewers complain about**

- 🐛 Keyword filter not working
- 🐛 Abandoned, old updates
- 🐛 Keyword function stopped
- 🐛 Letting through block words
- 🐛 Keyword filter does not work

**Reported bugs**

- Keyword blocking only sometimes works
- Keyword function stopped working
- Letting through texts with block words
- Spam-detection model not working well
- ML not working, legitimate messages filtered as spam

**Requested features**

- Sort into personalized folders
- Ability to filter specified short numbers
- User defined regex
- Delete all button for junk
- Immediately delete setting for certain words


### Echo Platform

[App page](https://appshunter.io/ios/app/echo-platform/id1604761594)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SmartFilter for SMS free?

SmartFilter for SMS is free to download, with in-app purchases available.

### Is Echo Platform free?

Echo Platform is free to download, with no in-app purchases.

### Do SmartFilter for SMS or Echo Platform have ads?

Neither SmartFilter for SMS nor Echo Platform shows ads.

### Which is updated more often, SmartFilter for SMS or Echo Platform?

SmartFilter for SMS ships an update every 2 months, and Echo Platform monthly. Most recently, SmartFilter for SMS was updated on October 12, 2026 and Echo Platform on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*